The sun was setting, and it was already dusk.

Zheng Zongnan's footsteps were slightly heavy and walked towards his residence, in the past two days, because of the order of the Yanmen Pass guard, the people who had stayed here before could only withdraw from the south gate and re-camp outside. In addition to suppressing the use of guards and guards, his duties as the supervisor in charge of the logistics of grain, rice, cloth and other logistics in the customs are also not small, and he needs to allocate the corresponding items in time, and at the same time, he has to comfort the people with good words.

Fortunately, by this time, everything has settled down and it is finally time to take a breath. It's just that, unlike the relaxation of his colleagues and subordinates, he has a little more uneasiness in his heart, and he can't imagine that his hard work is so easily seen through and solved, and he has made a lot of efforts in it, which is ironic when he thinks about it.

Yes, he Zheng Zongnan is the Liao State who is hidden in the Yanmen Pass to coordinate everything, and that Lao Guan is the news that has been transmitted to the outside world on his orders. But unfortunately, on the night two days ago, that guy actually revealed his identity, causing all the arrangements to fall short, at least it is impossible to take advantage of the chaotic situation in the customs to ride with the big Liao Jing outside.

sighed with some annoyance, and secretly hated in his heart: "This Sun Tu is really powerful, I still felt a little exaggerated when Da Shi Linya mentioned him before, but I didn't expect that he had only been in Yanmen Pass for three days, and he had already left me at a loss." If it weren't for the fact that he knew that it would be difficult to get rid of Sun Tu with the power of the horseman, he would have wanted to take the risk of assassinating him.

Thinking about these things in his heart, Zheng Zongnan had already come to the door of his residence. Although he was deeply tired, his alertness did not diminish at all, and when he arrived at the door, he did not rush in, but first looked at the position of the half of the leaves sandwiched between the cracks in the door, and after being sure that there was no problem, he opened the door and entered, and at the same time breathed a sigh of relief again. Only by entering this space that belongs to him alone can he completely relax.

But just when Zheng Zongnan was about to cook some food to deal with it, there was a knock on the door, and then a familiar voice came: "Is Brother Zheng back?" I got a bottle of good wine today, and I don't dare to eat it alone, so I'm here to get drunk with you. ”

When he knew that the person who came was his colleague and friend Mai Liang, Zheng Zongnan relaxed again and went out to open the door. The two of them don't drink together a lot on weekdays, so it's reasonable for him to come today. As soon as the door opened, Na Mai Liang walked in naturally, and raised the wine bottle in his hand and the paper bag in his other hand: "There is wine and food, our brothers have to drink for a while today." ”

Zheng Zongnan smiled: "I'm really having a headache about what to eat tonight, Brother Mai, you came just in time." Then I'm not welcome, you invite me today, and tomorrow I will go to find good wine and invite you back and forth. ”

"You and I are thinking about what to do so much, let's go, eat and drink in the first house, and talk about what we have tomorrow." Mai Liang smiled, and pulled the other party back to the house against the guest, and then skillfully found the wine bowl and chopsticks, and sat down at the guest seat again.

At this time, in some rich and noble people's homes, they are still accustomed to the habit of eating at separate tables that have been passed down for thousands of years, but Yanmen Pass is located in a remote area, so the two of them sat at a small table facing each other, and drank the bottle of good wine with a few snacks.

The taste of this wine is really good, and there is not much bitterness in addition to the strength of the wine, which makes Zheng Zongnan, who has always been a little greedy for cups, even more admired, and drank more than Mai Liang.

After getting a little drunk, he asked curiously, "By the way, Brother Mai, where did you get this wine?" If I get the chance, I'd like to buy some. ”

"Ahem, haven't you been settling those people for a few days, this wine was bought from one of them, I heard that it is made from his family's ancestral recipe, and it is much better than the wine outside."

"I see, it's better for us to find him tomorrow to ......" As a fine work from Liao, Zheng Zongnan has no other hobbies, except good wine. Having eaten such good wine today, he really couldn't stop it, and he felt that it would be dull and tasteless to drink other drinks in the future.

"Yes, I'll ...... tomorrow I'll take you to him. Mai Liang was drinking as he spoke, his tongue was bigger, and his eyes became a little misty. This made Zheng Zongnan laugh a little, when did this guy's alcohol become so bad, only a few glasses, and he was actually drunk? Isn't this cheap yourself, there is still a small half of wine in the bottle in front of you.

Thinking of this, he reached out to get it, but the first time he didn't touch the bottle, the second time he knocked it over. It was only at this time that Zheng Zongnan suddenly reacted, he was actually drunk, not only dazzling, but also didn't even obey the call.

"It's too strong, isn't it...... Wrong! Zheng Zongnan, who was still clear, suddenly woke up, how could he be drunk by half a bottle of wine when he could drink dozens of glasses without getting drunk? There must be something strange in this! In an instant, his vigilance as a Liao man had returned, and as soon as he pressed his hand on the table, he wanted to get up and go there to get a weapon to defend himself.

But at this moment, there was a few crackling sounds, and the doors and windows of this room were shattered at the same time, and several figures were already rushing towards him like leopards pounced on their prey. This made Zheng Zongnan even more panicked and hurriedly resisted. But together, they only felt that the sky was spinning for a while, their feet were soft, and their eyes were black, so they fell down again with a bang, and in an instant, they completely lost consciousness.

￥￥￥￥￥

I don't know how long it took for Zheng Zongnan to feel a chill in his head, and his body shook violently before he woke up. Then he was horrified to find that he was tied to a large wooden post, and the fire flickered around him, illuminating dozens of people. I actually fell into the way of others and completely fell into the hands of Song Jun!

At this moment, he was really flustered, and he didn't know where he had exposed his flaws, and he would let the other party use such a strategy to catch him. The only way now is to pretend to be stupid and hope to cope with the past. Thinking of this, he pretended to cry out, "You...... What do you guys do here? I'm Zheng Zongnan, the official of the Imperial Court, but I am ...... the official of the imperial court."

"Zheng Zongnan, at this time, you don't want to use such statements to fool you out, if you don't have conclusive evidence, how can we suddenly take you down?" A voice with implied hatred sounded from the side, Zheng Zongnan turned his head to look, and saw Tian Boyuan, the guard of Yanmen Pass, staring at him.

Even at this time, Zheng Zongnan was still making his last effort: "General Tian, why can't I understand what you said?" I have always been diligent, hardworking, and have never been corrupt and deducted, how can you wronged me so much......" "Don't pretend anymore, and see what this is?" With a clatter, a bloodstained object was thrown at his feet. And after seeing this thing, he subconsciously licked it deep into his teeth, but after licking it empty, Zheng Zongnan finally changed his face and died.

In order to prevent them from being severely tortured after being caught, and in case they can't hold on, they will confess key things, and these spies have poison bags hidden in their mouths, as long as they bite through, they will be fatal in an instant. And now, the poison sac was no longer in his mouth, but fell to the ground in front of him. This time, no matter how much he has to justify, it is completely useless, and this thing is the best proof of his identity as a secret spy of the Liao people.

At this time, Sun Tu, who had thrown things over, stepped forward again and sneered: "Do you know why you are so easily identified by us?" ”

This is the biggest question in Zheng Zongnan's heart, and he subconsciously asked at this time: "Why?" Where did I find a flaw? ”

"This is it." Sun Tu took the secret letter that had not been shot out again, and shook it open in front of him.

"It can't be! I deliberately hid the handwriting on it, and I used my left hand...... "He was extremely careful about this, and immediately retorted loudly.

Sun Tu smiled again and shook his head: "I didn't say that the words above betrayed you." Speaking of which, like you, I overlooked the more important clue from the beginning, and that is this cloth. ”

Zheng Zongnan stared at the cloth, and he really couldn't understand what was wrong with the half of the cloth he pulled casually. Seeing the doubts in his heart, Sun Tu said again: "Haven't you figured it out yet?" As the so-called Skynet is restored but not leaked, do you know that this piece of cloth was only sent to Yanmen Pass two days ago, and it is also a batch of newly made cloth in Jiangnan, which has not yet had time to be sent to the army. In other words, the cloth could never have appeared anywhere outside of the warehouse, unless someone in charge of the warehouse ripped it off. ”

This sentence finally reminded Zheng Zongnan of his own behavior at that time. At that time, because he felt the pressure from Sun Tu, he took advantage of the fact that there was no one left and right, tore off a piece of cloth that had just been honored to him by his subordinates, and then wrote that secret letter on it.

At that time, he thought that there was no flaw in everything - in fact, if the secret letter was shot out of the gate, there really would be no flaw - but in the end, it was planted on this small omission.

It was through this that Sun Tu quickly locked in his identity as a fine work of the Liao Kingdom. It was only at this time that Tian Boyuan suddenly realized that in addition to Du Changguo and those counselors, Zheng Zongnan, the Guan Gou official, was also the one who could know the exact time of the Song Army's grain delivery team and the army's exit from the customs at the first time - needless to say, the former needless to say, the grain in and out had to go through his hands, and the latter, the soldiers and horses also had to prepare grain and grass for the expedition, and he, who had been a Guan Gou official for many years, could even calculate the number of soldiers and horses by calling the amount of grain.

It can be said that he is an important person who has been completely ignored, if Sun Tu is not careful enough, I am afraid that he will not be able to find out his exact identity until today, and lay a hidden danger for the future.

But now, Sun Tu wants to know a little more: "Let's say, who are those Liao State spies who are hiding in the people and guarding the pass?" Also, what are your full plans? Is it planning to cooperate with the outside and take the Yanmen Pass? And how to communicate with the Liao soldiers outside? ”

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